package com.mmall.util;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Properties;


public class PropertiesUtil {
    private static Logger logger= LoggerFactory.getLogger(PropertiesUtil.class);
    private static Properties props;

    static {
        String fileName="mmall.properties";
        props=new Properties();
        try {
            props.load(new InputStreamReader(PropertiesUtil.class.getClassLoader().getResourceAsStream(fileName),"UTF-8"));
        }catch (IOException e){
            logger.error("配置文件读取异常",e);
        }
    }
    public static String getProperty(String key) {
        String value=props.getProperty(key.trim());
        if (StringUtils.isBlank(value)){
            return null;
        }
        return value.trim();
    }
    public static String getProperty(String key,String defaultValue) {
        String value=props.getProperty(key.trim());
        if (StringUtils.isBlank(value)){
            return defaultValue;
        }
        return value.trim();
    }

}
